PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-21:58:00
G02     264.7          79.8                9.4 +/-    1.04       9.5 +/-    1.04  0.060 / 0.130
G05     168.8          21.9               15.0 +/-    1.41      31.5 +/-    1.41  0.090 / 0.150
G06     40.1           51.3                8.5 +/-    0.73      10.5 +/-    0.73  0.080 / 0.130
G12     321.2          59.6                8.5 +/-    1.28       9.7 +/-    1.28  0.080 / 0.140
G17     75.0           20.5                9.6 +/-    0.99      20.8 +/-    0.99  0.030 / 0.050
G19     61.5           36.7                9.4 +/-    0.84      14.5 +/-    0.84  0.030 / 0.050
G24     238.6          31.2               13.7 +/-    1.81      23.4 +/-    1.81  0.070 / 0.150
G25     317.5          17.0                9.6 +/-    2.85      22.7 +/-    2.85  0.080 / 0.140